The length of time your mouth may be numb varies by individual but the average time is about three to five hours after your appointment. It is important to remember to avoid eating while you are numb to prevent biting your cheek, lip, or tongue.

If you are sore at the injection site or develop an ulcer from accidentally biting your lip or tongue, rinse with warm salt water to aid in healing (about ΒΌ tsp. salt in 8 oz of water).

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